For patients with more severe spinal curvature or stiffness, we perform “preoperative traction”. Preoperative traction allows the patient to strengthen the flexibility of the spine and obtain better orthopedic results during surgery, while reducing the risk of neurological disease during surgery. But not all patients with severe scoliosis must have traction before surgery, because a few patients cannot adapt to traction, such as older, limb mobility or other chronic diseases such as hypertension and diabetes, so they have to give up this preoperative link and perform “emergency surgery”, or, for example, if the patient is younger and has very good flexibility, they can have immediate surgery. This is the reason why we often let children under observation practice ballet, gymnastics, and swimming to keep exercising. Emergency surgery is associated with a significant risk of neurological complications, so we do an individual assessment to analyze the need for preoperative traction, not “100° or more”! After three to four weeks of preoperative halo traction, the angle can be basically reduced by 20-30 degrees (depending on the individual). Patients can improve a certain degree of lung function, can improve the degree of surgical orthopedic and cosmetic results, intraoperative can reduce surgical risks and complications. What is the indication for traction, or is traction required for severe stiffness? The indications for traction are not strictly based on the degree of scoliosis, and there is no specific value in the medical community. The need for traction is determined by the degree of scoliosis and the flexibility of the patient’s spine. How is the halo head ring used for traction? With the halo head ring, the patient can stand, walk, or sit while in traction, and the traction is removed while sleeping. Patients can traction in the regular sitting position and move their limbs freely, read a cell phone, read a book, watch a movie, and eat without being affected. If you feel that the traction is too strong during the traction process, which causes discomfort, you can stop the traction immediately to relax the spine and avoid acute complications of traction. Patients can walk in the corridor activity room during traction to avoid discomfort caused by sedentary, and patients can get rest during the adaptation process of traction. After traction, the neck will not be stiff or even affect the mobility of the cervical and lumbar spine like other traction methods, and bed rest will be the same as ordinary people lying down and sleeping. Does it mean that there is no traction when I sleep at night? No! Traction is still necessary at night; traction while sleeping in a flat position reduces weight compared to daytime and does not cause discomfort to the patient. Do we use cephalopelvic ring traction? What is the difference? The head-pelvic ring traction has to be fixed with screws on the hip bone. The patient’s comfort is poorer when sleeping and lying down is restricted, and when traction is applied, the head and neck rotation is somewhat restricted. Head ring pelvic traction, is the whole spine from the cervical to lumbar spine are fixed at an angle for a long time, some internal fixation did not hit the lumbar spine patients, traction will also lead to lumbar stiffness, lumbar flexion and extension restrictions. In Shenzhen University General Hospital spine surgery is not done head pelvic ring traction, because it seems that after this traction treatment surgery there will be neck flexion and extension, twisting restrictions, in addition to causing cervical spine stiffness, but also cause lumbar spine stiffness, affecting the quality of life. The halo head ring traction is the traction method obtained by Professor Tao Huiren through thirty years of work experience, which has better patient comfort, the best traction effect, and can adapt to the needs of each patient with different tolerance (traction gravity is adjusted at any time with the patient’s tolerance), and the developed traction method, which has a very high traction effect as well as a high praise rate from patients. Does the halo head ring traction method have a longer traction time? According to the different physical conditions and tolerance of each patient, we will slowly increase the traction weight and adjust it at the right time, so that comfort and effect can coexist. Generally, for patients with severe scoliosis, it takes about 8 weeks from the start of traction to discharge from surgery, and traction alone usually takes three to four weeks. Is my 150 degrees a long traction time? Regarding the length of traction and the effect of traction, firstly, it is necessary to judge by reviewing the X-ray after a period of traction, and secondly; if you tolerate it better, the weight gain is faster and the individual has an excellent physique will not exceed the ordinary traction time. In other words, the length of traction time often depends on your degree of weight tolerance, as well as your body’s flexibility, and there is no fixed length of time, what is the general rate of correction of very severe can reach? The correction rate is not yet accurate internationally, it is related to the traction weight, traction time, and spinal flexibility, usually about 30%. If traction alone can correct so many degrees, this patient’s bone flexibility should be very good, and can be operated directly, eliminating the need for traction. Is the halo head ring traction used very expensive? Hospital halo head ring traction, adapted to gravity traction vehicle is universal, the patient only need to buy their own head ring, about three to five thousand dollars, traction costs only a few thousand dollars in total, and will not appear sky-high prices.